Ultra high melt temperature microporous high temperature battery separators and related methods
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United States of America Patent
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Jul 21, 2020
Grant Date -
Feb 2, 2012
app pub date -
Jul 29, 2011
filing date -
Aug 2, 2010
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Abstract
Disclosed or provided are non-shutdown high melt temperature or ultra high melt temperature microporous battery separators, high melt temperature separators, battery separators, membranes, composites, and the like that preferably prevent contact between the anode and cathode when the battery is maintained at elevated temperatures for a period of time and preferably continue to provide a substantial level of battery function (ionic transfer, discharge) when the battery is maintained at elevated temperatures for a period of time, methods of making, testing and/or using such separators, membranes, composites, and the like, and/or batteries, high temperature batteries, and/or Lithium-ion rechargeable batteries including one or more such separators, membranes, composites, and the like.
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